Question

Assertion (A): Cardiovascular or respiratory endurance is the ability of the circulatory system to supply oxygen to working muscle during exercise.

Reason (R): It is the ability of the heart and lungs to provide the needed oxygen and fuel the body during sustained workloads.

In the context of the above two statements, which one of the following is correct?

विकल्प

• Both (A) and (R) are true and (R) is the correct explanation of (A).

• Both (A) and (R) are true and (R) is not the correct explanation of (A).

• (A) is true, but (R) is false.

• (A) is false, but (R) is true.

Answer 1

Both (A) and (R) are true and (R) is the correct explanation of (A).

Explanation:

Cardiorespiratory endurance involves supplying oxygen to working muscles during exercise. The reason correctly explains this role by describing how the heart and lungs support the body during sustained workloads.